2043303312040 has 64 divisors (see below), whose sum is σ = 4687766732160. Its totient is φ = 801285538560.

The previous prime is 2043303311981. The next prime is 2043303312079. The reversal of 2043303312040 is 402133033402.

It is a junction number, because it is equal to n+sod(n) for n = 2043303311996 and 2043303312014.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2402125 + ... + 3139555.

It is an arithmetic number, because the mean of its divisors is an integer number (73246355190).

Almost surely, 2^{2043303312040} is an apocalyptic number.

2043303312040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2043303312040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2343883366080).

2043303312040 is an abundant number, since it is smaller than the sum of its proper divisors (2644463420120).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2043303312040 is a wasteful number, since it uses less digits than its factorization.

2043303312040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 738802 (or 738798 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 25.

Adding to 2043303312040 its reverse (402133033402), we get a palindrome (2445436345442).

The spelling of 2043303312040 in words is "two trillion, forty-three billion, three hundred three million, three hundred twelve thousand, forty".